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Kazimierz Twardowski (1866-1938) is the founder of the Lvov-Warsaw School with its strong tradition in logic and its scientific approach to philosophy. Twardowski’s unique way of doing philosophy, his method, is of central importance for understanding his impact as a teacher.

Do you want to apply for the bachelor’s programme Science for Sustainable Societies at Leiden University? Find out how to apply by following the step-by step guide below.

Do you want to make contact with potential talent at an early stage of their career? Leiden University Career Services can help you can get in touch with students and young alumni.

Describing a new language for the first time is an exciting and challenging intellectual experience.

The specialisation consists of 120 European Credit Transfer System (EC) points and includes courses and electives (30-60 EC) and and one or more research projects (60-90 EC).

PhD candidates are encouraged to start thinking about job prospects well before the defence of their thesis. Many PhD graduates find employment in an academic or semi-academic environment.

How do insurance products transform intimate and personal relations? What are the consequences of the classifications that insurance companies use and how do these affect solidarity, morality and inequality?

The transition to new and renewable energy sources should be completed by 2050. Researchers in various disciplines at Leiden University are conducting unique research that will help us make this transition and reduce CO2 emissions.

The LHSC booster grants awarded are described below. The summaries below are aimed at the general public. For further detail, please contact the researchers in question.

In this training course, professionals and students learn to anticipate change and face uncertainty with confidence. The programme is offered in a mixed classroom setting, in cooperation with the Leiden Learning and Innovation Centre (LLInC).

In your first year at LUC you gain the basic knowledge and lay the foundation and skills for your specialization in year two and three.

This is an Erasmus+ International Credit Mobility project of Leiden University’s Faculty of Science with Ilia State University in Georgia.

This is an Erasmus+ International Credit Mobility project of Leiden University’s Faculty of Science with National University of Kyiv, National University of Lviv, Odessa National Maritime University, Odessa National University, V. N. Karazin Kharkiv National University, The Main Astronomical Observatory,…

Industrial Ecology is the science of sustainability, a discipline which is vital to solving today’s environmental problems. In this two-year MSc programme, we are committed to training students who will go on to play instrumental roles in addressing and positively impacting the world’s sustainability…

A master's degree in Psychology at Leiden University combines theoretical knowledge with academic and professional skills, making you an attractive candidate for many employers.

To help you improve your skills in communicating about your research in English, the Graduate School has an in-house Academic English Lecturer.

How do young adults find their way in an increasingly complex society? In Leiden, as part of the GUTS project, we study how brain development and self-regulation play a role in this process.

Leading computer scientists from a variety of fields share their expertise and insights. Dive into the minds of these researchers and learn about real-world applications, the future of AI and related technologies and cutting-edge research. From chatbots to cybersecurity, from quantum to children's stories,…

This research project from Leiden University looks at the opportunities and threats that flow from the existence of institutional and normative diversity in the area of fundamental rights for the effective protection of those rights in a pluralist world.

Read all the study choice tips and take the tests to get to know more about yourself. These tests can give you insight into your interests, competences, values and personality. That can help you make your study choice.

The research conducted at the Health, Medical and Neuropsychology unit investigates the psychological factors of health and disease, which allows for the development of innovative treatments.

Can dynamic testing provide us with insight in children’s potential for learning?

Philosophy is about the Big Questions: do human beings have free will? Is capitalism a just system? Does science provide an objective picture of the world? At Leiden, you will investigate fundamental questions of this sort from a global perspective. Through careful examination of different philosophical…

Postdocs, or early career researchers, play a crucial role at Leiden University. They make a major contribution to our research. In 2019, Leiden University employed around 400 postdocs across our faculties in Leiden and The Hague, LUMC not included.

Discussing or giving a lecture about a war situation is no easy task. Nonetheless – or maybe for this very reason – students or lecturers do feel the need to have such a discussion during classes. We share here a number of tips and sources to steer the conversation or lecture in the right direction.

Find out more about the career opportunities after finishing the programme International Children's Rights. The programme prepares you for a successful career..

‘Tell me something I don’t know,’ said skating coach Jac Orie to Leiden data scientist Arno Knobbe. And he did. Knobbe and his colleagues now assist athletes in all kinds of ways with the help of data mining.

ERC StG SAFE and SOUND has the ambition to connect the policy cycle with data generated in robot testing zones to support evidence-based policymaking for robot technologies.

Working for a top faculty? Discover the vacancies at the Faculty of Science and apply immediately.

Each year, the Leids Universitair Fonds (LUF) awards grants to research and educational project in various academic fields. In 2019, dr. Tanachia Ashikali received a grant to conduct an in-depth study into the determinants of inclusive leadership in public organisations: What does it take to be an inclusive…

All players on the world stage operate strategically in order to safeguard their interests. Political scientists at Leiden University cast light on this volatile interplay of forces. Their research helps voters, NGOs, governments and international organizations make smart choices in this complex and…

Primary Objective: The primary aim of the proposed RCT is to evaluate whether LF-TLP in blended form as an indicated prevention for anxiety complaints is more (cost-) effective than TAU according to the NHG guideline Anxiety. We hypothesize that in comparison to TAU, LF-TLP will result in a significantly…

He’s a fast and animated speaker, which is only logical because Gerard van Westen is driving an express train. His destination? A virtual human, consisting of algorithms that predict what an administered substance will do in the body. The train is already a long way down the line and the pharmaceutical…

Professional learning communities are useful for professionalization but also for the development of induction programmes. In this project, we combine these two worlds into a professional learning communities in which mentors or novice teachers learn about mentoring and at the same time develop an induction…

Mashaghi lab conducts research at the interface of physics, engineering and biomedicine. We develop and use theoretical and experimental approaches to address basic and applied research problems.

Fundamental insights into the working of the adolescent brain help lecturers and parents to teach adolescents to function better. Professor Eveline Crone studies executive functions – such as planning and behaviour – in the adolescent brain.

This is an Erasmus+ International Credit Mobility project of Leiden University Medical Center with Boston Children’s Hospital in the USA.

Physics and Engineering Approaches to Biomedicine and Pharmacology

Improving healthcare with our scientific discoveries: that is the goal of pharmaceutical research at Leiden University. And there’s a lot involved in that. Our research starts with the discovery of the effect achieved by a particular substance, and sometimes continues all the way through to the development…

SAILS (Society, Artificial Intelligence and Life Sciences) is a universitywide initiative aimed at facilitating collaboration across disciplines on the use of Artificial Intelligence (AI). It is one of Leiden University's interdisciplinary programmes.

Do you have a project that will benefit from analytical skills or knowledge of science and business? Do you want to tap into talented graduate students and test-drive potential employees? Are you looking for temporary management support? Do you want to offer motivated science students the opportunity…

Studying Africa’s history, cultures and languages in this programme will give you insight into other aspects of Africa as well, including economics, politics and international relations. In the second year, you will be able to specialise in one or more of our themes, tailoring the programme to your…

Leiden has much to celebrate: first, 450 years of the Relief of Leiden and then 450 years of Leiden University. And that is no coincidence.

The Microscopy Unit houses, maintains and coordinates most of the microscopy equipment of the IBL. The available equipment ranges from conventional light and fluorescence microscopes, to confocal laser scanning and electron microscopes. In addition, infrastructure is available for histology, including…

This project is part of a broader research agenda aiming to better understand the relationships between the development of contemporary security concerns and the evolution of forms of security cooperation and crisis governance.